from datetime import datetime
from random import *
today = datetime.now()
nowTime=today.strftime("%Y%m%d%H%M%S");#生成当前时间
randomNum=randint(0,2**32);#生成的随机整数n，其中0<=n<=2的32次方
uniqueNum=str(nowTime)+str(randomNum)
print(uniqueNum)
